Swift_Bug34Test testEmbeddedFilesWithMultipartDataCreateMultipartRelatedContentAsAnAlternative Pattern [~^Sender: Other <other@domain.tld> Message-ID: <1789704621.6aacb9ad04513@autodiscover.alvowebd.webd.pro> Date: Fri, 18 Sep 2026 14\:10\:21 \+1000 Subject: test subject From: Other <other@domain.tld> To: User <user@domain.tld> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="_=_swift_v4_17897046216aacb9ad0c616_=_" --_=_swift_v4_17897046216aacb9ad0c616_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_17897046216aacb9ad0c616_=_ Content-Type: multipart/related; boundary="(.*?)" --\1 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <img.*?/> --\1 Content-Type: image/gif; name=image.gif Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image.gif Content-ID: <1789704621.6aacb9ad0ef41@autodiscover.alvowebd.webd.pro> PGltYWdlIGRhdGE\+ --\1-- --_=_swift_v4_17897046216aacb9ad0c616_=_-- $~D] detected at character [0] in [String: Sender: Other <other@domain.tld> Message-ID: <1789704621.6aacb9ad04513@autodiscover.alvowebd.webd.pro> Date: Fri, 18 Sep 2026 14:10:21 +1000 Subject: test subject From: Other <other@domain.tld> T...] as [Sender: Other <other@domain.tld> Message-ID: <1789704621.6aacb9ad04513@autodiscover.alvowebd.webd.pro> Date: Fri, 18 Sep 2026 14:10:21 +1000 Subject: test subject From: Other <other@domain.tld> To: User <user@domain.tld> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="_=_swift_v4_17897046216aacb9ad0c616_=_" --_=_swift_v4_17897046216aacb9ad0c616_=_ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable plain part --_=_swift_v4_17897046216aacb9ad0c616_=_ Content-Type: multipart/related; boundary="_=_swift_v4_17897046216aacb9ad0f5d4_=_" --_=_swift_v4_17897046216aacb9ad0f5d4_=_ Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable <img src=3D"cid:1789704621.6aacb9ad0ef41@autodiscover.alvowebd.webd.pro" /> --_=_swift_v4_17897046216aacb9ad0f5d4_=_ Content-Type: image/gif; name=image.gif Content-Transfer-Encoding: base64 Content-Disposition: inline; filename=image.gif Content-ID: <1789704621.6aacb9ad0ef41@autodiscover.alvowebd.webd.pro> PGltYWdlIGRhdGE+ --_=_swift_v4_17897046216aacb9ad0f5d4_=_-- --_=_swift_v4_17897046216aacb9ad0c616_=_-- ] in region [Sender: Other <other@domain.tld> Message-ID: <1789704621.6aacb9ad04513@autodiscover.alvowebd.webd.p...] at [/home/alvowebd/public_html/system2/plugins/SwiftPlugin/lib/SwiftMailer/tests/bug/Swift/Bug34Test.php line 76]